Best Time to Fly SLC to FCA: On-Time Stats by Hour & Airline
Salt Lake City International → Glacier Park International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 90.1% of Salt Lake City (SLC) to Kalispell (FCA) flights arrived on time (1,111 scheduled flights). That is 12.5 points above the national average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 92.4%, while Delta Air Lines trailed at 86.2%.
April has been the best month (94% on time) and Saturday the weakest day of the week (88%).
0.7% of flights were cancelled, versus 1.8% nationally.
SLC to FCA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 92.4% | 53 min | 0.9% | 695 |
| Delta Air Lines | 86.2% | 80 min | 0.5% | 416 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to FCA
On-time arrival % by scheduled departure hour (local time), 2,288 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 94.8% | 0.6% | 712 |
| 10am–11am | 96.8% | 0.0% | 62 |
| 11am–12pm | 92.7% | 0.0% | 124 |
| 12pm–1pm | Limited data | 6 | |
| 3pm–4pm | 89.7% | 0.3% | 643 |
| 4pm–5pm | Limited data | 28 | |
| 9pm–10pm | 83.9% | 0.5% | 426 |
| 10pm–11pm | 82.1% | 0.0% | 287 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC to FCA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 67.5% | -22.8 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 85.0% | -5.3 pts | 0.0% | 82 |
| Summer peak (Jun 15 - Aug 15) | 89.7% | -0.5 pts | 0.0% | 429 |
| All other days | 90.3% | — | 0.5% | 1,737 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).